import cv2 as cv
import numpy as np


def main():
    img = cv.imread('../data/jWithBlackNoiseLeft.png')
    kernel = np.ones((5, 5), np.uint8)
    closing = cv.morphologyEx(img, cv.MORPH_CLOSE, kernel)
    cv.imshow('img', img)
    cv.imshow('closing', closing)
    cv.waitKey(0)
    cv.destroyAllWindows()


if __name__ == "__main__":
    main()
